Thursday, October 9, 2008

Presentation Topic 10 (Emi): Personal Mobile Devices, e.g. PDA, laptop

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Slide 2
Personal Devices include PDAs, mobile phones, MP3 players and digital cameras, laptops. Many of these devices are suitable for data capture using electronic forms, and as such they may become a major platforms for capturing information in the future.

Retrieved on October 22, 2008 from http://www.mandoforms.com/initiatives/personal_devices.html

According to IDC’s five-year mobile enterprise device usage forecast, worldwide shipments of corporate mobile devices will surge at a compound annual growth rate of 54 percent, to more than 82 million units shipped in 2011.

Retrieved from http://www.eweek.com/c/a/Mobile-and-Wireless/Personal-Devices-Create-a-Dilemma-for-Corporate-IT/

Slide 3
PDAs and Cell phones
Telephone
an e-mail terminal
a Web browser
GPS device
A computer

Be a multifunction device, have loaded software on it, set policies governing passwords, implemented encryption and wiped the device clean by remote control should it be lost or stolen.
Companies decide on policies whether to allow Personally identifiable information

Most famous vendors are Research In Motion, Nokia, IBM Tivoli and Microsoft


Slide 4
PDAs
Touch screen
Memory cards SD (Secure Digital) and/or a Compact Flash slot
Wired - serial ports or other proprietary format, via USB cable
Wireless - Bluetooth, Wi-Fi/WLAN/802.11-connectivity.

Slide 5
Home and business uses of PDAs and cell phones

“It’s not an effective device unless it’s fully integrated,” Greg Smith, the CIO of World Wildlife Fund said.

Corporate Business uses of PDAs and cell phones
Tie office phone with cell phone. Result is cell phones and PDAs connected to local PBXes

Recently the development of Sensor Web technology has led to discussion of using wearable bodily sensors to monitor ongoing conditions like diabetes and epilepsy and alerting medical

Slide 7
Mobile Web Evolution
Mobile Webs improve the interoperability, usability, and accessibility issues surrounding mobile web usage.

Slide 8
Limitations of Mobile Web
Small screen size - This makes it difficult or impossible to see text and graphics
Lack of windows - On a desktop computer, the ability to open more than one window at a time allows for multi-tasking and for easy revert to a previous page.*iPhone allows for multiple pages to be used.
Navigation - Mobile devices do not use a mouselike pointer, but rather simply an up and down function for scrolling, thereby limiting the flexibility in navigation. **NTT Docomo Sharp Phones have scroll pointers
Lack of Javascript and cookies - Most devices do not support client-side scripting and storage of cookies (smartphones and iPhone excluded)
Types of pages accessible - cannot access pages with a secured connection, Flash or other similar software, PDFs, or video sites.
Speed - very slow, often slower than dial-up Internet access.

Broken pages - On many devices, a single page as viewed on a desktop is broken into segments, which are each treated as a separate page. Navigation between these pages is slow.

Compressed pages - Many pages are squeezed into an order
Size of messages

Slide 9
Laptops
CPU contains Arithmetic and Logic Unit and the Control Unit.
speed and capacity. The standard-1.4 to 1.6 GHz. Upto 3.0GHz
The capacity of a hard drive- from as low as 20GB to 40GB, 60GB, up to 120GB
LCD screens and this could be from 12" to 14" or even 15"

Slide 10
Laptop Usage Spread
One Laptop per Child Program
still and video photography, voice recording, and game playing
Features: still and video photography, voice recording, and game playing software


Slide 11
Reduce Security Risks of Laptops
Encrypt your data
Never leave access numbers or passwords in your carrying case
Buy a laptop security device. If you need to leave your laptop in a room or at your desk, use a laptop security cable to securely attach it to a heavy chair, table, or desk.
Use a screen guard. These guards help prevent people from peeking over your shoulder as you work on sensitive information in a public place.

http://www.microsoft.com/atwork/stayconnected/laptopsecurity.mspx

Slide 12

MP3, 4 players
Hard Disk Drive MP3 Players
storage capacity (ranging from 2GB to more than 60GB)
a larger display
FM Tuner and Voice recorder
E.g. Apple’s iPod, Creative Labs’ Zen, Toshiba’s Gigabeat and Archos’ Gmini.
Flash Memory MP3 players-
16 MB to over 10 GB
color LCD
Without interruption or skipping
small in size
voice recording capabilities
E.g. Delstar, Diablo Tek, iRiver and Mach Speed